dc_coupling:using_bmv_soc_in_a_vebus_assistant_setup
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drafts:using_bmv_soc_in_a_vebus_assistant_setup [2015-04-03 01:25] – anco | dc_coupling:using_bmv_soc_in_a_vebus_assistant_setup [2019-01-22 10:16] (current) – external edit 127.0.0.1 | ||
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- | Ignore AC-in dependent on BMV SOC Value | + | ====== Using BMV state of charge in an Assistant ====== |
- | The logic is easy when it is shown how it works ;-) | + | ===== Introduction ===== |
- | This can be very useful for either | + | This can be very useful for DC connected |
- | Now the BMV will close the relay when battery SOC is below 50% this signal can be connected to Aux1 or temp input for example on the multi. | + | Now the BMV will close the relay when the battery SOC is below 50% and this signal can be connected to Aux1 or the temperature |
- | Next thing to do is to load 3 assistants in the multi. | + | ===== Wiring ===== |
+ | For this to happen we need two wires between the BMV relay and Aux1 on the Multi: | ||
- | 1st assistant " | + | {{ : |
- | Use General flag | + | |
- | Set Relay off | + | |
- | When auxiliary input 1 is open for 0 seconds | + | |
- | 2nd assistant " | + | ==== Load and configure the Assistants ==== |
- | Use General flag | + | |
- | Set Relay on | + | The next step is to load 3 assistants in the Multi. |
- | When auxiliary input 1 is closed for 0 seconds | + | |
+ | 1st assistant " | ||
+ | | ||
+ | | ||
+ | * When auxiliary input 1 is open for 1 seconds | ||
+ | |||
+ | 2nd assistant " | ||
+ | * Use General flag | ||
+ | * Set Relay off | ||
+ | * When auxiliary input 1 is closed for 0 seconds | ||
3rd assistant " | 3rd assistant " | ||
- | Use general flag to ignore AC input 1 | + | * Use general flag to ignore AC input 1 |
+ | |||
+ | With these three assistants used together AC input 1 will be used (not ignored) when the BMV closes its relay. | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | ===== Related info ===== | ||
+ | |||
+ | ==== 1. Using ESS instead of above ==== | ||
+ | |||
+ | For many applications, | ||
+ | |||
+ | [[ess: | ||
+ | |||
+ | ==== 2. Adding the PV Inverter Assistant ==== | ||
+ | |||
+ | For those people who do not want to use the ESS Assistant, but want to add AC-Coupled PV on the output of the Multi, they can use the above three assistants, plus at the bottom position add the "PV Inverter support" | ||
- | With these three assistants used together ac input 1 will be ignored when the BMV closes its relay. | ||
- | For those people who do not want to use Hub 2 assistants (ACout connected solarenergy) they can use above three assistants plus at bottom position assistant " | ||
- | {{: | + | ===== DISQUS ===== |
+ | ~~DISQUS~~ | ||
dc_coupling/using_bmv_soc_in_a_vebus_assistant_setup.1428017132.txt.gz · Last modified: 2015-04-03 01:25 by anco